Impact crusher

Abstract

The utility model relates to the technical field of impact crushers, and discloses an impact crusher which comprises a crushing box, an extrusion plate fixedly welded to the bottom ends of two guide rods, a partition plate fixedly welded to the top end of the extrusion plate, a second motor fixedly installed at the top end of the crushing box, and an eccentric wheel fixedly installed at the output end of the second motor. Two springs are fixedly welded to the top end of the crushing box, a U-shaped plate is fixedly welded to the top ends of the two guide rods, four supporting plates are fixedly welded to the outer wall of the crushing box, and material guide plates are fixedly installed on the inner sides of the four supporting plates. According to the impact crusher, a first motor is started to drive crushing teeth to rotate clockwise, raw materials move on the outer walls of the crushing teeth, the raw materials and crushing plates on the two sides of the crushing teeth extrude and crush the raw materials, at the moment, a second motor is started to drive an eccentric wheel to rotate and drive a U-shaped frame to move downwards, and the U-shaped frame can drive a guide rod to move downwards and drive an extrusion plate to move downwards; and raw materials can be extruded up and down, crushing can be accelerated, and the crushing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of impact crushers, in particular to an impact crusher. Background Art

[0002] Impact crusher, also known as impact crusher, is mainly used for processing materials that often need to be moved in metallurgy, chemical industry, building materials, hydropower and other industries, especially for operations with mobile stones in highways, railways, hydropower projects, etc., and can adopt various configuration forms according to the type and scale of processed raw materials and the requirements of finished materials. my country's current mobile crushing stations are mostly used in construction waste treatment projects in urban demolition, crushing and screening construction waste into several recycled aggregates of different sizes and regularities.

[0003] Existing impact crushers usually use a rotating method to crush raw materials and squeeze them against the crushing teeth on the wall of the device to achieve the effect of crushing the raw materials, but the efficiency is low. Utility Model Content

[0004] In view of the deficiencies of the existing technology, the present invention provides an impact crusher to solve the problem mentioned in the above background technology that the existing impact crushers mostly use a rotary extrusion method when crushing raw materials, which is a low efficiency method.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an impact crusher comprises a crushing box, a first motor is fixedly mounted on the outer wall of the crushing box, crushing teeth are rotatably connected to the inside of the crushing box, two guide rods are slidably connected to the inside of the crushing box, the bottom ends of the two guide rods are fixedly welded with extrusion plates, the top ends of the extrusion plates are fixedly welded with partitions, a second motor is fixedly mounted on the top of the crushing box, an eccentric wheel is fixedly mounted on the output end of the second motor, two springs are fixedly welded on the top of the crushing box, U-shaped plates are fixedly welded on the top ends of the two guide rods, four support plates are fixedly welded on the outer wall of the crushing box, and guide plates are fixedly mounted on the inner sides of the four support plates.

[0006] Preferably, a feed frame is provided on the left side of the crushing box, a sealing plate is slidably connected to the interior of the feed frame, and two limit blocks are fixedly installed on the top of the sealing plate.

[0007] Preferably, the outer wall of the eccentric wheel is movably connected to the outer wall of the U-shaped plate, and the two springs are moved away from the crushing box and fixedly welded to the outer wall of the U-shaped plate.

[0008] Preferably, the outer wall of the partition is slidably connected to the interior of the crushing box, and the extrusion plate is arranged directly above the crushing teeth.

[0009] Preferably, the two crushing plates are symmetrically arranged on both sides of the crushing teeth, and the bottom end of the crushing box is conical.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. This impact crusher starts the first motor to drive the crushing teeth to rotate clockwise. The raw materials move on the outer wall of the crushing teeth and are squeezed by the crushing plates on both sides of the crushing teeth to achieve the effect of squeezing and crushing the raw materials. At this time, the second motor is turned on to drive the eccentric wheel to rotate, and the U-shaped frame to move downward. The U-shaped frame will drive the guide rod to move downward, and the squeezing plate to move downward, which can squeeze the raw materials up and down, accelerate crushing, and improve crushing efficiency.

[0012] 2. The impact crusher is equipped with a feed frame on the left side of the crushing box, which can guide the raw materials and transport the raw materials into the crushing box. The sealing plate can be sealed with the feed frame to avoid smoke and dust from escaping and reduce the impact of the scattered dust on the health of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a side view schematic diagram of the structure of the utility model;

[0015] Figure 3 This is a schematic front view cross-sectional diagram of the structure of the utility model;

[0016] Figure 4 For the utility model structure Figure 1 Enlarged schematic diagram of point A in the middle.

[0017] In the figure: 1. Crushing box; 2. First motor; 3. Crushing teeth; 4. Crushing plate; 5. Extrusion plate; 6. Guide rod; 7. Partition; 8. Second motor; 9. Eccentric wheel; 10. Spring; 11. U-shaped plate; 12. Support plate; 13. Guide plate; 14. Sealing plate; 15. Limit block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example:

[0020] Please refer to Figures 1-4.

[0021] An impact crusher includes a crushing box 1, a first motor 2 is fixedly mounted on the outer wall of the crushing box 1, crushing teeth 3 are rotatably connected to the interior of the crushing box 1, two guide rods 6 are slidably connected to the interior of the crushing box 1, an extrusion plate 5 is fixedly welded to the bottom end of the two guide rods 6, a partition 7 is fixedly welded to the top end of the extrusion plate 5, a second motor 8 is fixedly mounted on the top end of the crushing box 1, an eccentric wheel 9 is fixedly mounted on the output end of the second motor 8, two springs 10 are fixedly welded to the top end of the crushing box 1, a U-shaped plate 11 is fixedly welded to the top end of the two guide rods 6, four support plates 12 are fixedly welded to the outer wall of the crushing box 1, and a material guide plate 13 is fixedly mounted on the inner side of the four support plates 12;

[0022] Specifically, the first motor 2 is turned on, and the first motor 2 drives the crushing teeth 3 to rotate clockwise. The raw material moves on the outer wall of the crushing teeth 3 and is squeezed by the crushing plates 4 on both sides of the crushing teeth 3 to achieve the effect of squeezing and crushing the raw material. At this time, the second motor 8 is turned on, and the second motor 8 will drive the eccentric wheel 9 to rotate, and the eccentric wheel 9 drives the U-shaped frame to move downward, and the U-shaped frame will drive the guide rod 6 to move downward, and the guide rod 6 will drive the squeezing plate 5 to move downward, which can squeeze the raw material up and down, accelerate crushing, and improve crushing efficiency;

[0023] In the embodiment: a feed frame is provided on the left side of the crushing box 1, a blocking plate 14 is slidably connected to the inside of the feed frame, and two limit blocks 15 are fixedly installed on the top of the blocking plate 14;

[0024] Specifically, a feed frame is provided on the left side of the crushing box 1, which can guide the raw materials and transport the raw materials into the crushing box 1. The blocking plate 14 can be blocked with the feed frame to prevent smoke and dust from escaping and reduce the impact of the scattered dust on the health of the workers. The setting of the limit block 15 is to limit the blocking plate 14 from moving out of the feed frame.

[0025] In the embodiment: the outer wall of the eccentric wheel 9 is movably connected to the outer wall of the U-shaped plate 11, and the two springs 10 are moved away from the crushing box 1 and fixedly welded to the outer wall of the U-shaped plate 11;

[0026] Specifically, the outer wall of the eccentric wheel 9 is movably connected to the U-shaped plate 11, which can achieve the effect of squeezing the U-shaped plate 11. The side of the spring 10 away from the crushing box 1 is welded to the U-shaped plate 11 to achieve the effect of driving the U-shaped plate 11 to move upward. The U-shaped plate 11 will drive the guide rod 6 to move upward, which can achieve the effect of driving the squeezing plate 5 to move upward;

[0027] In the embodiment: the outer wall of the partition 7 is slidably connected to the interior of the crushing box 1, and the squeezing plate 5 is arranged just above the crushing teeth 3;

[0028] Specifically, the outer wall of the partition 7 is slidably connected to the inside of the crushing box 1, which can achieve the effect of stably moving the partition 7, and the partition 7 can block the raw materials entering the crushing box 1 to prevent the raw materials from falling onto the extrusion plate 5;

[0029] In the embodiment: two crushing plates 4 are symmetrically arranged on both sides of the crushing teeth 3, and the bottom end of the crushing box 1 is conical;

[0030] Specifically, the crushing plates 4 are symmetrically arranged on both sides of the crushing teeth 3, so that the crushing plates 4 can be used in conjunction with the crushing teeth 3 to squeeze and crush the raw materials to achieve the effect of crushing the raw materials;

[0031] In the embodiment: the first motor 2 and the second motor 8 are existing structures, and the control circuit can be implemented by simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection are not described in detail.

[0032] Working principle: Turn on the first motor 2 to drive the crushing teeth 3 to rotate clockwise, and the raw material moves on the outer wall of the crushing teeth 3 and is squeezed with the crushing plates 4 on both sides of the crushing teeth 3 to achieve the effect of squeezing and crushing the raw material. At this time, turn on the second motor 8 to drive the eccentric wheel 9 to rotate, and drive the U-shaped frame to move downward. The U-shaped frame will drive the guide rod 6 to move downward, and drive the extrusion plate 5 to move downward, so that the raw material can be squeezed up and down. Compared with the relevant technology, the impact crusher provided by the utility model has the following beneficial effects: it can accelerate crushing and improve crushing efficiency, and solves the problem that the existing impact crusher mostly adopts the rotary extrusion method when crushing raw materials, and this method has low efficiency.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An impact crusher, comprising a crushing box (1), characterized in that: The outer wall of the crushing box (1) is fixedly mounted with a first motor (2), the interior of the crushing box (1) is rotatably connected with crushing teeth (3), the interior of the crushing box (1) is slidably connected with two guide rods (6), the bottom ends of the two guide rods (6) are fixedly welded with extrusion plates (5), the top ends of the extrusion plates (5) are fixedly welded with a partition plate (7), the top end of the crushing box (1) is fixedly mounted with a second motor (8), the output end of the second motor (8) is fixedly mounted with an eccentric wheel (9), the top end of the crushing box (1) is fixedly welded with two springs (10), the top ends of the two guide rods (6) are fixedly welded with U-shaped plates (11), the outer wall of the crushing box (1) is fixedly welded with four support plates (12), and the inner sides of the four support plates (12) are fixedly mounted with guide plates (13).

2. The impact crusher according to claim 1, characterized in that: A feed frame is provided on the left side of the crushing box (1), a sealing plate (14) is slidably connected to the interior of the feed frame, and two limit blocks (15) are fixedly mounted on the top of the sealing plate (14).

3. The impact crusher according to claim 1, characterized in that: The outer wall of the eccentric wheel (9) is movably connected to the outer wall of the U-shaped plate (11), and the two springs (10) are fixedly welded to the outer wall of the U-shaped plate (11) when they move away from the crushing box (1).

4. The impact crusher according to claim 1, characterized in that: The outer wall of the partition (7) is slidably connected to the interior of the crushing box (1), and the extrusion plate (5) is arranged directly above the crushing teeth (3).

5. The impact crusher according to claim 1, characterized in that: The two crushing plates (4) are symmetrically arranged on both sides of the crushing teeth (3), and the bottom end of the crushing box (1) is arranged in a conical shape.

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